5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
MODEL_ID RB (PL)
10KN550RC
IT8587(Follow IT8991 PIN Define)
X
RA (PH)
RA
RB
J_KB1
1
24
0V
Voltage
DEBUG PORT
AUTO_LOAD_MODE
6-03-08587-0P4
PCH_DPWROK sequence timing same with
the RSMRST#, for no support deep Sx.
PM_PWROK >99mS delay after ALL_SYS_PWRGD pull high.
N550RN
10K
X 3.3V
GA20
80CLK
3IN1
EC_PECI
BAT_DET
BAT_VOLT
MODEL_ID
MODEL_ID
BAT_VOLT
ALSPI_SCLK
ALSPI_MSO
PCLK_KBC
ALSPI_MSI
ALSPI_CE#
KBC_WRESET#
KB-SI3
KB-SI2
KB-SO5
KB-SI1
KB-SO3
KB-SO4
KB-SO11
KB-SI6
KB-SI4
KB-SO8
KB-SO7
KB-SO6
KB-SO14
KB-SO2
KB-SO15
KB-SI0
KB-SI5
KB-SO12
KB-SO1
KB-SO10
KB-SO0
KB-SI7
KB-SO9
KB-SO13
SMC_BAT_EC
SMD_BAT_EC
3G_EN
80CLK
3IN1
3G_DET#
VBATT_BOOST#
3G_RST#
SMC_BAT
BAT_DET
SMD_BAT
PCH_DPWROK_R
SMC_VGA_THERM
SMD_VGA_THERM
VBATT_BOOST#
PCLK_KBC_R
CPU_FAN
SMD_VGA_THERM
SMC_VGA_THERM
PCH_DPWROK_R
EC_RSMRST#
EC_RSMRST#
EC_RSMRST#
3G_EN
SLP_SUS#
SLP_SUS#
KBC_AGND
KBC_AGND
VDD3
VDD3
KBC_AVDD
VDD3
VDD3
VDD3
VDD3
VDD3
3.3VS
VDD3
KBC_BEEP34
LED_PWR37
LED_BAT_CHG37
H_PROCHOT_EC4
LED_BAT_FULL37
LED_SCROLL#37
LED_CAP#37
LED_NUM#37
SMI#26
KBC_MUTE#34
CPU_FAN36
EC_RSMRST# 25
SCI#24
LED_ACIN37
3G_EN 31
VGA_FAN36
VBATT_BOOST#20
DD_ON30,38,39,41
EC_SSD_LED#37
AC_PRESENT25
USB_CHARGE_EN38,39
SUS_PWR_ACK#_EC25
TP_CLK37
TP_DATA37
SMC_BAT33,45
SMD_BAT33,45
LPC_FRAME#26,36
SERIRQ26,36
LPC_AD326,36
LPC_AD226,36
LPC_AD126,36
LPC_AD026,36
SMC_BAT33,45
SMD_BAT33,45
80CLK32
3IN132
LED_AIRPLAN# 37
SWI# 24
PMOSFET_CONTROL# 45
LOT6_CHG 45
SB_KBCRST# 26
SPI_SO_R 22
SPI_SCLK_R 22
PM_PWROK 23
CCD_EN 36
BKL_EN 10,11
3G_PWR_EN 31
DGPU_RST# 20
WLAN_PWR_EN 32
SLP_SUS#25,38,41,42
WLAN_EN 32
SPI_CS_0# 22
BT_EN32
dGPU_GPIO8_OVERT 20
LAN_WAKEUP# 22,35
ALL_SYS_PWRGD 4,11,23,46,48
VGA_FANSEN 36
SUSB# 11,13,25,30,38,41
3G_DET# 31
CPU_FANSEN 36
GPIO9_THERM_ALERT_EC 20
DGPU_PWR_EN 26,43
SUSWARN#_EC 25
SPI_SI_R 22
KBLIGHT_ADJ36
PWR_SW #38
LID_SW#11,37
THERM_VOLT2
TOTAL_CUR45
BUF_PLT_RST#22,32,35,36
PCLK_KBC26
AC_IN#45
BAT_VOLT45
BAT_DET45
SUSC# 25,40,41
H_PECI4
VDD34,22,23,25,28,32,35,37,38,39,41,42,45
3.3VS8,9,10,11,12,13,22,24,25,26,27,28,29,31,32,34,35,36,37,38,41,46,48
PWR_BTN#25
ME_WE25
3G_RST# 31
SMC_VGA_THERM20
SMD_VGA_THERM20
PCH_DPWROK25
Title
Size Document Number Rev
Date: Sheet
of
6-71-N5500-D02A
D01
[33] KBC_IT8587E
A3
33 55Friday, February 26, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
N550RC
Title
Size Document Number Rev
Date: Sheet
of
6-71-N5500-D02A
D01
[33] KBC_IT8587E
A3
33 55Friday, February 26, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
N550RC
Title
Size Document Number Rev
Date: Sheet
of
6-71-N5500-D02A
D01
[33] KBC_IT8587E
A3
33 55Friday, February 26, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
N550RC
C479 0.1u_16V_Y5V_04
R227 100K_04
C494
0.1u_16V_Y5V_04
R284 *10_04
R300 47_04
C497
0.1u_16V_Y5V_04
D9
BAV99 RECTIFIER
A
C
AC
C482
0.1u_16V_Y5V_04
R297 0_04
C476 0.1u_16V_Y5V_04
C485
0.1u_16V_Y5V_04
R303 0_04
C448
10u_6.3V_X5R_06
R304 0_04
LPC
DAC
SMBUS
PWM
PS/2
WAKE UP
GP INTERRUPT
UART
K/B MATRIX
IT8587
ADC
U11A
IT8587E/FX
GPB6/KBRST#
4
GPM6/SERIRQ
5
GPM5/LFRAME#
6
GPM3/LAD3
7
GPM2/LAD2
8
GPM1/LAD1
9
GPM0/LAD0
10
GPM4/LPCCLK
13
WRST#
14
GPD4/ECSMI#
15
GPC7/PWUREQ#/BBO/SMCLK2ALT
16
GPD0/RI1#
18
GPE7/L80LLAT/5VT
20
GPD1/RI2#/5VT
21
GPD2/LPCRST#/5VT
22
GPD3/ECSCI#/5VT
23
GPA1/PWM1/5VT
25
GPA5/PWM5/5VT
31
GPA6/PWM6/SSCK/5VT
32
GPD5/GINT/CTS0#/5VT
33
GPA7/PWM7/RIG1#/5VT
34
GPJ1
77
GPJ3/DAC3/TACH1B
79
GPF0/PS2CLK0/TMB0/CEC/5VT
85
GPF2/PS2CLK1/DTR0#/5VT
87
GPF4/PS2CLK2/5VT
89
GPF5/PS2DAT2/5VT
90
GPB0/RXD/SIN0/5VT
108
GPB1/TXD/SOUT0/5VT
109
GPB3/SMCLK0/5VT
110
GPB4/SMDAT0/5VT
111
GPF6/SMCLK2/PECI
117
GPB5/GA20
126
5VT/LPCPD#/GPE6
17
5VT/L80HLAT/BAO/GPE0
19
5VT/RTS1#/GPE5
35
KSO0/PD0
36
KSO1/PD1
37
KSO2/PD2
38
KSO3/PD3
39
KSO4/PD4
40
KSO5/PD5
41
KSO6/PD6
42
KSO7/PD7
43
KSO8/ACK#
44
KSO9/BUSY
45
KSO10/PE
46
TACH0A/GPD6
47
KSO11/ERR#
51
KSO12/SLCT
52
KSO13
53
KSO14
54
KSO15
55
KSI0/STB#
58
KSI1/AFD#
59
KSI2/INIT#
60
KSI3/SLIN#
61
KSI4
62
KSI5
63
KSI6
64
KSI7
65
5VT/SSCE1#/VCEN/TM/GPG0
106
5VT/( PD )DTR1#/SBUSY/ID7/GPG1
107
5VT/RING#/PWRFAIL#/CK32KOUT/LPCRST#/GPB7
112
TMRI0/GPC4
120
CTX0/TMA0/GPB2
123
TMRI1/GPC6
124
VBAT
3
VCC
11
VSTBY1
26
VSTBY2
50
AVCC
74
VSTBY3
92
VSTBY4
114
VSTBY5
121
VSTBY6
127
VSS1
1
VCORE
12
VSS3
27
VSS4
49
AVSS
75
VSS5
91
VSS6
113
VSS7
122
GPF1/PS2DAT0/TMB1/5VT
86
GPF3/PS2DAT1/RTS0#/5VT
88
GPI0/ADC0
66
GPI1/ADC1
67
GPI3/ADC3
69
GPI4/ADC4
70
GPI7/ADC7/CTS1#
73
5VT/CTX1/SOUT1/DAT3/ID2/GPH2
95
5VT/FSCE#/GPG3
101
5VT/FMOSI/GPG4
102
5VT/FMISO/GPG5
103
5VT/FSCK/GPG7
105
5VT/DSR0#/GPG6
104
C470
*0.1u_16V_Y5V_04
R274
*20mil_short_04
R270 10K_04
C498 10p_50V_NPO_04
C489
0.1u_16V_Y5V_04
R299 *10K_04
R263 *10K_04
R258 10K_04
R281 *0_04
R302 0_04
IT8587
U11B
IT8587E/FX
GPA0/PWM0/5VT
24
GPA2/PWM2/5VT
28
GPA3/PWM3/5VT
29
GPA4/PWM4/5VT
30
GPI2/ADC2
68
GPI5/ADC5/DCD1#
71
GPI6/ADC6/DSR1#
72
GPJ0/TACH2
76
GPJ4/DAC4/DCD0#
80
GPJ5/DAC5/RIG0#
81
GPC1/SMCLK1/5VT
115
GPC2/SMDAT1/5VT
116
GPE4/PWRSW
125
CK32KE/GPJ7
2
TACH1/TMA1/GPD7
48
5VT/EGAD/GPE1
82
5VT/EGCS#/GPE2
83
5VT/EGCLK/GPE3
84
5VT/CLKRUN#/ID0/GPH0
93
5VT/ID3/GPH3
96
5VT/ID4/GPH4
97
5VT/ID5/GPH5
98
5VT/ID6/GPH6
99
5VT/SSCE0#/GPG2
100
5VT/CRX0/GPC0
119
CK32K/GPJ6
128
5VT/CRX1/SIN1/SMCLK3/ID1/GPH1
94
GPJ2/DAC2//TACH0B
78
GPF7/SMDAT2/PECIRQT#
118
KSO16/SMOSI/GPC3
56
KSO17/SMISO/GPC5
57
R307 1.5K_04
R613 4.7K_04
R266 10K_04
C480 *10p_50V_NPO_04
R283 0_04
R256 10K_04
PJ28
*CV-40mil
1 2
R306 43_1%_04
R309 4.7K_04
R278 100K_04
R292 *10K_04
R295 10K_04
C457 1u_6.3V_X5R_04
J_KB1
85208-24051
24
23
22
14
12
11
21
8
20
19
6
5
18
4
17
10
9
7
3
2
1
16
15
13
R301 47_04
D10
BAV99 RECTIFIER
A
C
AC
R308 1.5K_04
R298 *1K_04
J_80DEBUG1
88266-04001
PCB Footprint = 88266-04_L
1
2
3
4
D11
BAV99 RECTIFIER
A
C
AC
L16
HCB1005KF-121T20
R305 0_04
R282 *0_04
D12
BAV99 RECTIFIER
A
C
AC
L11
HCB1005KF-121T20
C471
0.1u_16V_Y5V_04
R264 *10K_04
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